A074346 - cp's OEIS frontend

A074346 a(1) = 10; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.

n	a(n)
1	10
2	13
3	23
4	49
5	111
6	113
7	171
8	211
9	293
10	309
11	333
12	387
13	463
14	479
15	513
16	687
17	933
18	973
19	993
20	1329
21	1433
22	1449
23	1551
24	2071
25	2271
26	2423
27	2587
28	2621
29	2659
30	2757
31	2771
32	2911
33	3081
34	3243
35	3279
36	3671
37	4243
38	4247
39	4371
40	4453
41	4511
42	5229
43	6097
44	6177
45	6293
46	6571

[10, 13, 23, 49, 111, 113, 171, 211, 293, 309, 333, 387, 463, 479, 513, 687, 933, 973, 993, 1329, 1433, 1449, 1551, 2071, 2271, 2423, 2587, 2621, 2659, 2757, 2771, 2911, 3081, 3243, 3279, 3671, 4243, 4247, 4371, 4453, 4511, 5229, 6097, 6177, 6293, 6571]

cp's OEIS Frontend

A074346 a(1) = 10; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.

Table of values

List of values